Flaviviridae Flashcards

1
Q

Flaviviridae envelope

A

yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Flaviviridae nucleocapsid

A

icosahedral

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Flaviviridae in environment

A

labile

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Flaviviridae replication

A

in cytoplsdm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Flaviviridae gets out of cell by

A

exoxytosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Flaviviridae important genera

A

Flavivirus (zoonotic) and Pestivirus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Flavivirus includes

A

West nile virus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

West nile virus transmission

A

by arthropod vector(mosquito and tick)
blood/meat from carcasses
unpasteurised milk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

West nile virus causes

A

encephalitis of horses, birds, and humans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

west nile virus clinical signs

A
encephalomyelitis with clinical signs in horses:
anorexy
depression 
weakness
ataxia 
even coma and death in 30% of cases

birds:asymptomatic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

West nile virus samples:

A

birds: any affected tisue
horses: brain, spinal cord, blood

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

West nile virus diagnosis

A

pcr, elisa, immunofluorescence, plaqcue reduction neutralisation test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

important pestivirus

A

bovine viral diarhhea virus I ja II, border disease virus and classical swine fever virus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

pestivirus virulence factors

A

3 envelope glycoproteins Erns (soluble ribonuclease), E and E2(which neutralises ab)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

bovine viral diarrhea transmission

A

oronasal and transplacental

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

bovine viral diarrhea virus causes

A

immunosupression in calves
enteric and respiratory diseases
abortions and still births (if infection during early pregnancy, persistent infection may occur unlike if infection in late pregnancy, if infection in mid-pregnany, congenital defects may occur)

17
Q

bovine viral diarrhea clinical signs in adults

A

fever, letharhy, anorexia, nasal and ocular discharges, oral lesions, diarhhea,

18
Q

bovine viral diarhhea samples

A

blood, serum, spleen, lymph nodes, gi tract lesions, milk

19
Q

bovine viral diarrhea diagnosis

A

ab’s from blood and milk, pcr and elisa